PROFIBUS Diagnostic Telegrams
38
C441 PROFIBUS Module User Manual
MN042002EN—July 2015
www.eaton.com
C440 Overload Protection Relay
Table 27. C440 Diagnostic Telegram
Byte
Bit
Description
Ext Diag Bit
1
0
Diag.station: Station does not exist (set by Master)
Default Diagnostic Data
1
Diag.station_not_ready: Station is not ready for data exchange
2
Diag.cfg_fault: Configuration data does not agree
3
ext.Diag: Slave has high priority extended diagnostic data
4
Diag.not_supported: Requested function is not supported
5
Diag.invalid_slave_response: Sets slave to 0, fixed
6
Dig.prm_fault: incorrect parameterization
7
Diag.master_lock: Slave is parameterized by different master
2
0
Diag.prm_req: Slave has to be re-parameterized
Default Diagnostic Data
1
Diag.stat_diag: Static diagnosis
2
Fixed at 1
3
Diag.WD_on: Threshold monitoring activated
4
Diag.freeze_mode: Freeze command received
5
Diag.sync_mode: Sync command received
6
Reserved
7
Diad.deactivateed (sets master)
3
0–6
Reserved
Default Diagnostic Data
7
Diag.ext_overflow
4
—
Master address after parameterization (FF before parameterization)
Default Diagnostic Data
5
—
Ident number (MSB)
Default Diagnostic Data
6
—
Ident number (LSB)
Default Diagnostic Data
7
—
Header byte – Device Data
Extended Diagnostic Data
0
Length of User Ext Diagnostic Data
1
Length of User Ext Diagnostic Data
2
Length of User Ext Diagnostic Data
3
Length of User Ext Diagnostic Data
4
Length of User Ext Diagnostic Data
5
Length of User Ext Diagnostic Data
6
0 = Device Data
7
0 = Device Data
8
0
1 = Adapter Connected; 0 = Adapter Not Connected
F/S
Extended Diagnostic Data
1
Reserved
2
1 = Adapter Married
S/S
3
Reserved
4
Reserved
5
Reserved
6
Reserved
7
Reserved
9
8–15
Reserved
Extended Diagnostic Data
10
16–23
Reserved
Extended Diagnostic Data
